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How Many Angelfish in a 29, 30, 40, 50 Gallon Tank?

Are you thinking of adding angelfishes to your fish tank? Are you wondering how many angelfish should be put together in a tank? Are you also wondering how many angelfishes can be kept respectively in 29, 30, 40, 50 gallon tanks?

How many angelfish in a 29, 30, 40, 50 Gallon Tank?

It is really important to properly decide on the number of angelfishes that can be kept sequentially in 29, 30, 40, and 50 gallon tanks. Therefore, you can respectively keep 1/2, 2, 2/3, and 3/4 angelfishes together correspondingly in 29, 30, 40, 50 gallon tanks.

It is also important for you to know what gallon tank is appropriate for how many angelfish therefore, being knowledgeable about such phenomena will help you to avoid any unnecessary incidents.

29 gallon tank: 

When it comes to a 29 gallon tank, you should be mindful of only keeping 2 angelfishes in it. In addition, this is because angelfishes are naturally big fish and they require a big space for them to flourish fully.

Accordingly, in determining how many angelfishes to put in a 29 gallon fish tank, you need to take into account the size of the angelfish and their territorial habits.

30 gallon tank: 

You should only keep 2 angelfishes in a 30-gallon tank however, you need to increase the tank size as the angelfish comes of age.

40 gallon tank: 

It is advisable to keep only 2 angelfish together in a 40-gallon tank. Moreover, you need to decide on this number regarding a 40 gallon tank based on the long lifespan, long stature, mean temper, and difficult maintenance of the angelfish.

50 gallon tank: 

In the case of a 50 gallon tank, you are allowed to keep at least three to four angelfishes together. Accordingly, this will help to school them properly, ensure their growth, and satisfy their territorial instinct.

However, once angelfishes come of age, then you need to remove one angelfish from your 50-gallon tank otherwise it will cause growth problems.

What is the angelfish tank size minimum? 

The minimum tank size for angelfish is 20 gallons because at least 20 gallons tank is a fundamental necessity for angelfish to live and flourish fully.

In addition, angelfishes can get pretty tall which is of 6 to 10 inches in length and can live up to 10 years, therefore, they need ample space in their fish tank.

Moreover, the bigger tank you can provide for angelfish, the better it is for them therefore, you should provide at least a 30 or 20-gallon tank for 1 angelfish to reside in the tank peacefully.

However, when it comes to baby angelfishes, they can do pretty well in a 10-gallon tank as they do not need much space like adult angelfishes.

In addition, you cannot put a bunch of angelfish in a tank together that meets the minimum requirement measurement rather, you have to add extra 10 gallons’ worth of measurement for each angelfish that you want to put in the fish tank.

You should never overcrowd a fish tank with a bunch of angelfishes because it will hamper their living system and it will also lead to insufficient growth.

How big do angelfish get in a tank? 

In the natural habitat, angelfishes can get huge in stature, however, when it comes to the fish tank, their growth can be compromised.

Additionally, angelfishes typically need an ample amount of freshwater that is slightly acidic and angelfishes also like to live in larger tanks and if you cannot provide these things properly in your fish tank then it will be hard for angelfishes to grow to their full potential in accordance with being in a fish tank.

In addition, if the environment is ideal and proper for your angelfishes then they can get 8 to 12 inches tall and 6 to 8 inches long in fish tanks.

However, you need to make sure that their individual space requirements and territorial nature are satisfied fully to get to the desired size measurement mentioned above.

Moreover, as angelfishes really like to live in freshwater, therefore, you need to make sure you provide clean water and you clean the aquarium or fish tank frequently so that angelfishes’ growth is not hampered due to such lack of care.

Additionally, angelfishes will not have the proper growth to their full potential in accordance with a fish tank if they don’t have tankmates with them.

This is because angelfish cannot live alone and thus you have to have at least two angelfishes together in a tank and this will assist in giving them relief, making them feel secure, making the breeding process safe, and in lessening the aggressive behavior.

How much space does an angelfish need?

It is really important to provide ample individual space for your angelfish as they really need this extra space for their betterment.

In addition, angelfishes are typically very tall in stature which is why they need a tall and large tank with enough space in it.

Moreover, because adult angelfishes can get pretty big which is up to 4 to 8 inches respectively in length and height, the size of the tank or the space for each angelfish will be determined by these factors.

Moreover, angelfishes are typically aggressive and have a mean temperament and this is why they need their individual space so that their rival fish don’t get in their way.

Accordingly, you should have at least 20 gallon tank equipped for angelfishes so that their tall structure, large body, and territorial instinct can fit into the acquired space.

However, the number of angelfishes you plan to keep in your tank will determine how much space is needed in accordance with that. 

Therefore, for every single angelfish, you need to just add 10 gallons tank worth of measurement to determine how much space angelfish will need.

What fish can be kept together anglefish? 

Although angelfishes can be kept alone with their own species however in a community tank, angelfish can be kept with certain types of other species.

Therefore, being knowledgeable about such species of fish that can be kept with angelfish will help you to mold your decisions accordingly and will also help you to surpass any unwanted incidents.

Black Skirt Tetra:

Black Skirt Tetra is a perfect tank mate for angelfish because it shares a lot of characteristics with angelfish.

Accordingly, Black Skirt Tetra also seems to have a calm and peaceful temperament which again makes it compatible with angelfish.

In addition, Black Skirt Tetra fishes also prefer fresh water and they are not really a food source for angelfish as they can get pretty big and these are the reasons which make Black Skirt Tetra a perfect tank mate for angelfish.


Hatchetfish is another type of fish that can be kept together with angelfish because Hatchetfishes are very peaceful in nature and they are not small enough to be a meal of angelfish which makes them perfect tank mates for angelfish.

Corydora Catfish: 

Corydora Catfish is perhaps the best fish that you can keep with angelfishes and this is because Corydora Catfishes have a very cool temperament.

Accordingly, they are very shy and forgiving in nature which is perfect because they won’t get in the angelfishes’ way.

In addition, Corydora Catfishes are also of low maintenance which means they don’t need extensive care and treatment which is again why they are the perfect tank mate for angelfish.

Moreover, Corydora Catfishes are also very much equipped to eat food that falls on the bottom of the tank whereas angelfishes like to eat their food from the surface of the water and this situation again creates the perfect balance between corydora catfish and angelfish.

Guppy Fish:

Guppy fish is another fish that can be the perfect tank mate for angelfish because Guppy fish are very peaceful in their nature.

Moreover, Guppy fish also get along pretty well with other types of fish that may reside in the community tank and this does not make Guppy Fish a threat to anyone even to the semi-aggressive angelfishes.

Final Thoughts

The size, life span, and temperament are some of the factors that determine how many angelfish should be kept in tanks. Accordingly, you should keep 1/2 angelfish in 29 gallon tank, 2 in 30 gallon tank, 2/3 in 40 gallon tank and lastly, 4 angelfishes in 50 gallon tank.